下浦町は昔から石材加工業で栄えていて現在でも数十件下浦町は昔から石材加工業で栄えていて現在でも数十の石材店があります。
その中の友達から必要な寸法で切断した御影石を仕入れています。
写真では白っぽくみえますが、最高級の黒御影石で磨き上げると真っ黒になります
珈琲石臼も抹茶石臼も大きさは同じなので材料の石材の規格は1種類にしてあります。
Shimoura Town has long been known for its stone-processing industry, and even today, there are still dozens of stone shops operating in the area.
I source granite from a friend who cuts the stone to the precise dimensions I need.
Although the stone may appear whitish in photos, it is actually a top-grade black granite, which becomes jet black when polished.
Both the coffee stone mills and matcha stone mills are made to the same size, so I use a single standard for the stone material.
下臼の加工状況ですが、四角の材料を丸く加工していきます
As for the processing of the lower millstone, I begin by shaping the square stone material into a round form
更に角を切り落とします
I then cut off the corners further.
コンパスでのライン通りに正確に削ります。
このようにすべて手加工ですので、上臼・下臼両方の成形加工だけで丸一日かかります。
I carefully carve along the line drawn with a compass to ensure precision.
Since everything is done by hand, it takes a full day just to shape both the upper and lower millstones.
